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[SPARK-11658] simplify documentation for PySpark combineByKey #9631

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[SPARK-11658] simplify documentation for PySpark combineByKey #9631

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Fix for SPARK-11658
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@snowch
snowch committed Nov 11, 2015
commit 07e1db72fa2c89ebbf15003878a20e0d3a3053d2
3 changes: 1 addition & 2 deletions python/pyspark/rdd.py
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Expand Up @@ -1760,9 +1760,8 @@ def combineByKey(self, createCombiner, mergeValue, mergeCombiners,
In addition, users can control the partitioning of the output RDD.

>>> x = sc.parallelize([("a", 1), ("b", 1), ("a", 1)])
>>> def f(x): return x
>>> def add(a, b): return a + str(b)
>>> sorted(x.combineByKey(str, add, add).collect())
>>> x.combineByKey(str, add, add).collect()
[('a', '11'), ('b', '1')]
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@rxin rxin Nov 11, 2015

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the ordering is not guaranteed here, is it?

"""
if numPartitions is None:
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